3.4=15.9-5y

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Solution for 3.4=15.9-5y equation:


Simplifying
3.4 = 15.9 + -5y

Solving
3.4 = 15.9 + -5y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '5y' to each side of the equation.
3.4 + 5y = 15.9 + -5y + 5y

Combine like terms: -5y + 5y = 0
3.4 + 5y = 15.9 + 0
3.4 + 5y = 15.9

Add '-3.4' to each side of the equation.
3.4 + -3.4 + 5y = 15.9 + -3.4

Combine like terms: 3.4 + -3.4 = 0.0
0.0 + 5y = 15.9 + -3.4
5y = 15.9 + -3.4

Combine like terms: 15.9 + -3.4 = 12.5
5y = 12.5

Divide each side by '5'.
y = 2.5

Simplifying
y = 2.5

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